/Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/Accessibility/GenericAccessibleInterfaces.h
Retrieves the accessible user registry. This is the means of retrieving, registering and interacting with accessible useres in the rest of the application.
[FGenericAccessibleUserRegistry](API\Runtime\ApplicationCore\GenericPlatform\Accessibility\FGenericAccessib-_1) & GetAccessibleUserRegistry()